Granted Patent
Utility
US 4,668,358 · App. 06/863,163
Method and apparatus for use in surface treatment of conveyor supported workholders
Inventor:
Richard C. Ball
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: May 14, 1986
Inventor
Richard C. Ball
Assignee (at issue)
Motor Wheel Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.